Support for Canon Automatic Lighting Optimizer EXIF flag in newer (CR3) files #19967
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This function was called in rawspeed loading path only.
… files PR darktable-org#19375 added highlight preservation modes, but only for older Canon cameras. In CR3 files, the EXIF tag name has changed. This patch adds support for the new tag "Exif.CanonLiOp.AutoLightingOptimizer"
ralfbrown
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Dec 21, 2025
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PR #19375 added highlight preservation modes, but only for older Canon cameras. In CR3 files, the EXIF tag name has changed.
This patch adds support for the new tag "Exif.CanonLiOp.AutoLightingOptimizer"
I've also added a call to
dt_exif_img_check_additional_tags()to libraw io path as it was only called in rawspeed io yet. This function is responsible to load the EXIF tags required for #19375 to work.